body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}
.container {
    display: flex;
    min-height: 100vh;
}
.sidebar {
    width: 250px;
    background-color: #f0f0f0;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}
.main-content {
    flex: 1;
    padding: 20px;
}
